How long does the warm water last? Toshi July 18, 2018 13:41 Updated Follow This is really neat - Omigo has a built-in instant ceramic heating system and provides "endless" warm water washes. Check out our Aerated Warm Water Wash article for more features! Related articles How much electricity does Omigo use? What is the difference between Front and Rear washes? What are the plumbing requirements? What are my options if I don't have an outlet in my bathroom? How does Omigo work?